More evidence is needed to rate the effectiveness of quince for these uses.

How does Quince work?

There isn't enough information to know how quince might work.

Are there safety concerns?

There isn't enough information to know if quince is safe for medicinal use. The seeds contain cyanide, which suggests that quince seeds might not be safe.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Not enough is known about the use of quince during pregnancy and breast-feeding. Stay on the safe side and avoid use.

Are there any interactions with medications?

Medications taken by mouth (Oral drugs)Interaction Rating:
Moderate Be cautious with this combination.Talk with your health provider.

Quince contains a type of soft fiber called mucilage. Mucilage can decrease how much medicine the body absorbs. Taking quince at the same time you take medications by mouth can decrease the effectiveness of your medication. To prevent this interaction take quince at least one hour after medications you take by mouth.

Dosing considerations for Quince.

The appropriate dose of quince depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for quince. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.